Auto cooling pump mechanical seal Item No.:XBG F Operation conditions Temperature:-30- 200 Pressure: less than 0.6MPa Speeds:less than 15m/sec Materials: Stationary ring:Pleastic carbon/Carbon/SIC/TC Rotary ring:Ceramic/SIC/TC Secondary seal:NBR/EPDM/VITON Spring$Other parts:SUS304/SUS316 Carton box, 100pcs/box